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linalg(deprecated)

  

inverse

  

compute the inverse of a matrix

 

Calling Sequence

Parameters

Description

Examples

Calling Sequence

inverse(A)

Parameters

A

-

square matrix

Description

• 

Important: The linalg package has been deprecated. Use the superseding command LinearAlgebra[MatrixInverse], instead.

  

- For information on migrating linalg code to the new packages, see examples/LinearAlgebraMigration.

• 

The function inverse computes the matrix inverse of A. An error occurs if the matrix is singular.

• 

This function uses Cramer's rule for matrices of dimension less than or equal to 4 by 4, and for matrices with the 'sparse' indexing function.

• 

For other matrices, the inverse is computed by applying the operations for the Gauss-Jordan reduction of A to an identity matrix of the same shape.

• 

The command with(linalg,inverse) allows the use of the abbreviated form of this command.

Examples

Important: The linalg package has been deprecated. Use the superseding command LinearAlgebra[MatrixInverse], instead.

withlinalg:

Aarray1,x,2,3

A1x23

(1)

inverseA

32x3x2x322x312x3

(2)

See Also

linalg(deprecated)[det]

linalg(deprecated)[gaussjord]

LinearAlgebra